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The Orion binocular viewer has a pronounced effect on viewing the planets and Moon as well as deep-sky objects. Now includes a 2x Barlow lens to reach focus with most telescopes. Use almost any matching pair of 1.25" eyepieces (sold separately).

This great kit for observing deep sky curiosities includes 7 key accessories to help you get the most out of every stargazing session. Kit includes 6mm, 9mm, 15mm and 20mm Expanse eyepieces, 1.25" SkyGlow filter, DeepMap chart and red AstroGoggles.

This affordable kit is ideal for anyone interested in exploring deep-sky objects. Includes three 2" DeepView eyepieces - 42mm, 38mm, and 28mm focal lengths, a 2" Barlow lens, and a 2" SkyGlow Broadband Filter, and a large pluck-foam accessory case.

The Orion 1.25" Telescope Accessory Kit includes a good starting assortment of eyepieces to get the most out of your telescope. Two Sirius Plossl 1.25" eyepieces, a Shorty Barlow lens, 4 filters for lunar and planetary viewing, and an aluminum case.

A complete assortment of accessories for your telescope, the Orion Premium Telescope Accessory Kit comes with five Sirius eyepieces, a Shorty Barlow, and six filters for lunar and planetary observing, and a case. Everything you need, all in one kit!

Orion Sirius Plossl eyepieces are ideal for any type of telescope, refractor, reflector, or catadioptic. They offer a 52° field with clean, high-contrast images. All air-to-glass surfaces are fully coated for improved light transmission.

The Orion Expanse eyepieces offer a wide 66° field of view and superior optical performance at a very affordable price. Great eye relief on all models ensures eyeglass wearers can view the entire field. All eyepiece lens elements are fully coated.

The Orion Q70 eyepieces offer an amazingly wide 70° field of view! Five multi-coated lens elements deliver very sharp, high contrast views. They offer long eye relief and are par focal with each other, which makes swapping between focal lengths easy.

The Orion Edge-On Planetary Eyepieces provide medium to high power views of moon and planetary details. The multi-element design provides a flat field of view ensuring an extremely sharp focus. Long eye relief makes viewing comfortable for everyone.

Stratus eyepieces deliver a wide 68° field of view which allows you to see much more than a typical 52° Plossl. The 8-element optics give you sharp, high contrast images across the field. The generous eye relief makes viewing comfortable for all.

The great thing about zoom eyepieces is that you can locate an object at low power and then just zoom in with no switching of eyepieces. The 7-21mm Orion Explorer II zoom telescope eyepiece has fully coated optics and long eye relief.

Zoom eyepieces allow you to view an object at low power and then view it at at a higher power without having to switch between eyepieces. The 7.2-21.5mm Orion Zoom Telescope Eyepiece has fully multi-coated optics for clear, sharp images.

The 12.5mm Orion Illuminated Plossl Telescope Eyepiece is great for accurately aligning your computerized telescope because the LED illuminated double crossline will tell you when the star is dead center. Also use it for guiding during an exposure.

For testing the accuracy of your tracking system, or centering stars for GoTo system alignment, the wide field of the Orion 20mm Illuminated Centering Eyepiece makes it easy. Just use the illuminated crosshair to acquire and center any star.

Our Set of Four Orion 1.25" Parfocal Rings let you make an assortment of non-parfocal eyepieces parfocal by setting the depth of each eyepiece barrel in the focuser to the same exact focus point. Save observing time by eliminating focus adjustments.

You'll go loony with delight when viewing the lunar surface with the help of our affordable Moon Madness Kit. This value-packed assortment of useful accessories lets you get the most out of each and every view of Earth's only natural satellite.

Orion Extension Tubes are designed when you need extra back focus, often when viewing close up terrestrial objects in the backyard, or when you don't want to use a 90-deg star diagonal in the system. Provides 2" of extra extension.

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At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. You can find astrophotography "how to" tips and share your best astronomy pictures here. Submit astronomy articles, events, and reviews, and even become a featured Orion customer!